Cirrus-logic CS4353 Manual de usuario descargar pdf (Pagina 9)

DS803F3 9

CS4353

SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE

Parameters Symbol Min Max Units

MCLK Frequency 2.048 51.2 MHz

MCLK Duty Cycle 45 55 %

Input Sample Rate (Auto selection) Single-Speed Mode

Double-Speed Mode

Quad-Speed Mode

Fs

Fs

Fs

8

84

170

54

108

216

kHz

kHz

kHz

LRCK Duty Cycle 40 60 %

SCLK Pulse Width Low t

sclkl

20 - ns

SCLK Pulse Width High t

sclkh

20 - ns

SCLK Period Single-Speed Mode - s

Double-Speed Mode - s

Quad-Speed Mode - s

SCLK rising to LRCK edge delay t

slrd

20 - ns

SCLK rising to LRCK edge setup time t

slrs

20 - ns

SDIN valid to SCLK rising setup time t

sdlrs

20 - ns

SCLK rising to SDIN hold time t

sdh

20 - ns

sclkh

t

slrs

t

slrd

t

sdlrs

t

sdh

t

sclkl

t

SDATA

SCLK

LRCK

Figure 1. Serial Input Timing

1

128Fs

----------------------

1

64Fs

------------------

1

64Fs

------------------

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 24 25

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